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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Q965/PNV/GM45/ILK]Rendercheck blend fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70821">70821</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[Q965/PNV/GM45/ILK]Rendercheck blend fails
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
--------------------------
Platform: Q965/PNV/GM45/ILK
Libdrm: (master)2.4.47
Mesa: (master)63974c0f5b26e369a790505af6820d4bbcf451b2
Xserver:
(master)xorg-server-1.14.99.3-1-g7ecfab47eb221dbb996ea6c033348b8eceaeb893
Xf86_video_intel:(master)2.99.904-65-g11e8b299e11ff846e1c8090f7cbd34b2af850d85
Cairo: (master)98fef3cef2d0f7f463a2e4f9f1b35b09f7b6ea77
Libva: (staging)1a011ce5bb0b80506797a25a988854f3f81ce909
Libva_intel_driver:(staging)1cee858036a87837deddc87586701ed869f96261
Kernel: (drm-intel-nightly) 164a4cb4c1431a0689f85507868356fae24da638
Bug detailed description:
-----------------------------
It fails on Q965,Pineview,GM45 and Ironlake.
repeat also fails with same bisect commit.
Bisect shows:bccbbf8a68faf7aac274efd289d4916083b1a1e3 is the first bad commit.
commit bccbbf8a68faf7aac274efd289d4916083b1a1e3
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
AuthorDate: Tue Oct 22 14:22:14 2013 +0100
Commit: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
CommitDate: Tue Oct 22 17:57:58 2013 +0100
sna: Remove the move-to-gpu shortcircuiting for partial GPU, no CPU damage
Otherwise we may not correctly undo COW or pending move-to-gpu updates.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
output:
rendercheck 1.4
Render extension version 0.11
Window format: r8g8b8
Found server-supported format: a8
Found server-supported format: a8r8g8b8
Found server-supported format: x8r8g8b8
Found server-supported format: b8g8r8a8
Found server-supported format: b8g8r8x8
Found server-supported format: r8g8b8
Found server-supported format: b8g8r8
Found server-supported format: r5g5b5
Found server-supported format: b5g5r5
Found server-supported format: x1r5g5b5
Found server-supported format: x1b5g5r5
Found server-supported format: r5g6b5
Found server-supported format: b5g6r5
Found server-supported format: x8b8g8r8
Found server-supported format: x2r10g10b10
Found server-supported format: x2b10g10r10
Beginning blend test on a8
Xor blend test error of 127.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 0.000
expected: 0.000 0.000 0.000 0.498
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 0.50
src: 1x1R a8, dst: a8
Beginning blend test on a8r8g8b8
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: a8r8g8b8
Beginning blend test on x8r8g8b8
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x8r8g8b8
Beginning blend test on b8g8r8a8
Beginning blend test on b8g8r8x8
Beginning blend test on r8g8b8
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r8g8b8
Beginning blend test on b8g8r8
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: b8g8r8
Beginning blend test on r5g5b5
OverReverse blend test error of 31.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r5g5b5
Beginning blend test on b5g5r5
Beginning blend test on x1r5g5b5
OverReverse blend test error of 31.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x1r5g5b5
Beginning blend test on x1b5g5r5
Beginning blend test on r5g6b5
OverReverse blend test error of 63.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r5g6b5
Beginning blend test on b5g6r5
Beginning blend test on x8b8g8r8
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x8b8g8r8
Beginning blend test on x2r10g10b10
Beginning blend test on x2b10g10r10
Beginning blend test on r8g8b8 window
OverReverse blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r8g8b8 window
7 tests passed of 17 total
Successful Groups:
Reproduce steps:
----------------------------
1. xinit&
2. ./rendercheck -o src,over,overreverse,xor -t blend</pre>
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